64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
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# -*- coding: utf-8 -*-
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"""Alembic 迁移环境（async engine，target_metadata=Base.metadata）。
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数据库 URL 取服务端配置 config.DATABASE_URL（同应用唯一总库），
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迁移/建表均通过 alembic 运行，不在应用启动时执行。
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"""
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from __future__ import annotations
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import asyncio
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import os
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import sys
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy import pool
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from sqlalchemy.ext.asyncio import async_engine_from_config
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from app import config as app_config
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from app.infrastructure.db import Base
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import app.infrastructure.models # noqa: F401 确保模型注册到 Base.metadata
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config = context.config
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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# 用应用统一 DATABASE_URL（可被 env PINEAGENTS_DEMO_DATABASE_URL 覆盖）
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config.set_main_option("sqlalchemy.url", app_config.DATABASE_URL)
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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context.configure(url=app_config.DATABASE_URL, target_metadata=target_metadata,
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literal_binds=True, dialect_opts={"paramstyle": "named"})
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with context.begin_transaction():
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context.run_migrations()
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def do_run_migrations(connection) -> None:
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context.configure(connection=connection, target_metadata=target_metadata)
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with context.begin_transaction():
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context.run_migrations()
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async def run_async_migrations() -> None:
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connectable = async_engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.", poolclass=pool.NullPool,
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)
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async with connectable.connect() as connection:
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await connection.run_sync(do_run_migrations)
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await connectable.dispose()
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def run_migrations_online() -> None:
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asyncio.run(run_async_migrations())
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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